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2. Lenses for SLR and DSLR cameras - Wikipedia

   en.wikipedia.org/wiki/Lenses_for_SLR_and_DSLR...

   While "DX" lenses can be physically mounted on any Nikon film or digital SLR that support the "AI" exposure indexing feature (produced from 1977), there will be some degree of vignetting when used on film cameras, depending on zoom setting. All Nikon full-frame "FX" DSLRs have a DX-compatible mode that, by default when a DX-format lens is ...

3. Comparison of digital SLRs - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_digital_SLRs

   Lens mount Viewfinder coverage Metering zones Focus points Lowest ISO Highest ISO Cont. shtg LCD size Live view Movie mode Memory card Dimensions (mm) Weight (g) [1] Announced (date) Ref. Canon: 5D Mark IV: Full frame: 30.1 EF 100 252 61 50 102400 7 3.2 yes yes CF+SD: 150.7×116.4×75.9 890 Aug 2016: Canon: 1D X Mark II: Full frame: 20.2 EF ...

4. List of Canon products - Wikipedia

   en.wikipedia.org/wiki/List_of_Canon_products

   EF-S lenses are built for APS-C 1.6x crop sensors, so they only work with models that use this sensor size. When EF-S lenses are used on a 35mm (full frame) camera the back element will hit the mirror assembly or cause substantial vignetting since the sensor is bigger than the image produced by the lens.

5. Digital single-lens reflex camera - Wikipedia

   en.wikipedia.org/wiki/Digital_single-lens_reflex...

   A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex design scheme is the primary difference between a DSLR and other digital cameras.

6. Flange focal distance - Wikipedia

   en.wikipedia.org/wiki/Flange_focal_distance

   Diagram illustrating the flange focal length of an SLR–type and a mirrorless–type camera. For an interchangeable lens camera, the flange focal distance (FFD) (also known as the flange-to-film distance, flange focal depth, flange back distance (FBD), flange focal length (FFL), back focus [1] or register, depending on the usage and source) of a lens mount system is the distance from the ...

7. Image sensor format - Wikipedia

   en.wikipedia.org/wiki/Image_sensor_format

   For identical f-number lenses the signal to noise ratio increases as square root of the pixel area, or linearly with pixel pitch. As typical f-numbers for lenses for cell phones and DSLR are in the same range f /1.5–2 it is interesting to compare performance of cameras with small and big sensors. A good cell phone camera with typical pixel ...